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03.09.2016 Preparing a file for print can also be a thorn in the side.

With the endless number of print files we receive from designers, so-called designers and others, we could say that very few are perfectly prepared. Most of the time, it is just small details that separate the file from perfection, but of course, there are always "gems" that stand out, unfortunately in the wrong direction.

12 Tips for a Flawless Print File
If you follow some basic guidelines that we will present below, we are sure you will approach the preparation of your next print file with full confidence and without frustration.


1. We advise you to prepare your print files in graphic programs such as Adobe InDesign, Illustrator, Quark X, or Corel Draw!

2. Always prepare your print file in the exact format (1:1), exceptions are, for example, Jumbo posters (1:10) and City light posters (1:5).

3. Because we want to print high-quality materials, your print files should contain only images with a sufficient resolution (dpi – dots per inch):

  • business print materials: minimum 250-300 dpi
  • large format printing (XXL print): 100 - 150 dpi


4. All graphic elements in the print file (images, background colors, logos, fonts, etc.) should be in the CMYK color space or the PANTONE scale (offset printing)

5. If the print file contains a large area of black color, we recommend you compose the black color using CMYK: C=40%, M=30%, Y=30%, K=100%. This way, you will avoid having a black color that is not intense enough.

6. This does not apply to black text or fonts, which should only be created using black (C=0%, M=0%, Y=0%, K=100%), never with all four colors, as this could cause a color misalignment during printing. Also, keep in mind that the font size should NOT be smaller than 6 pt.

7. The minimum thickness of vector lines should be 0.25 pt or 0.1 mm.

8. When preparing a print file, you should also consider the maximum allowed color coverage*, which varies depending on the type of paper. For coated papers, it is 330%, while for uncoated papers it is lower at 280%. The minimum color coverage for each color should not be less than 5%!
* Color coverage or ink density is the sum of all color channels (C+M+Y+K).

9. When the print item is trimmed to the live edge, add a 3 mm bleed. All graphic elements like fonts, logos, etc., should be at least 3 mm inward from the trim edge (Margins). The file should also contain crop marks.

10. We recommend creating the PDF file using the PDF/X3:2002 standard.

11. Gradients, where the color transitions from dark to light, should be created in Adobe Photoshop (rasterized form) to avoid unwanted color banding.

12. When preparing files for brochures and hardcover books, always prepare two separate files – one for the insert and one for the cover/front cover.


In the next post, we will share tips for preparing more advanced files such as UV spot varnishing, embossing, die-cutting, etc.


More about preparing files can be found at this link: Preparing Files for Print